38447883331 has 16 divisors (see below), whose sum is σ = 46626628608. Its totient is φ = 31223181600.

The previous prime is 38447883311. The next prime is 38447883377. The reversal of 38447883331 is 13338874483.

It is a happy number.

It is not a de Polignac number, because 38447883331 - 2¹⁵ = 38447850563 is a prime.

It is a super-2 number, since 2×38447883331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38447883311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4332121 + ... + 4340986.

It is an arithmetic number, because the mean of its divisors is an integer number (2914164288).

Almost surely, 2^38447883331 is an apocalyptic number.

38447883331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

38447883331 is a deficient number, since it is larger than the sum of its proper divisors (8178745277).

38447883331 is a wasteful number, since it uses less digits than its factorization.

38447883331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673162.

The product of its digits is 4644864, while the sum is 52.

The spelling of 38447883331 in words is "thirty-eight billion, four hundred forty-seven million, eight hundred eighty-three thousand, three hundred thirty-one".